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Intermolecular hydrogen bonding in (2S)-2-(1-oxo-1H-2,3-di­hydro­isoindol-2-yl)­propanoic acid

✍ Scribed by Gallagher, John F. ;Murphy, Carol

Publisher
International Union of Crystallography
Year
2001
Tongue
English
Weight
239 KB
Volume
57
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, C 11 H 11 NO 3 , a condensation product of lalanine and ortho-phthalaldehyde, crystallizes in space group P2 1 2 1 2 1 . Intermolecular OÐHÁ Á ÁO C and CÐHÁ Á ÁO hydrogen bonds are present with OÁ Á ÁO and CÁ Á ÁO distances of 2.623 (3) and 3.338 (4) A Ê , respectively.

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The title compound, C 20 H 15 N 3 O 3 , consists a phthalonitrile group and an isoindole-1,3-dione group connected by a flexible butoxy chain. The dihedral angle between these two groups is 70.47 (3) . Partial face-to-face overlap between the phthalonitrile groups of centrosymmetrically related mole